Here is another question, this time for the brake experts. I have
been trying to eliminate the drag I am getting from the front
calipers on my 1980 Spitfire. At first it just showed up as a lot of
black dust on the wheels from the wearing brake pads. I replaced the
pads with the semi-metallic type. Then there was a noticeable drag.
After letting the car sit most of the summer (while working on the
TR6) I replaced the rubber lines all around (as I had been planning
to do for over a year), but that didn't help. Recently I removed the
pads, with difficulty, and pulled off the calipers (still connected
to the brake lines). I then stuck a block between the pistons and
used the brake pedal to force them out pretty far without unseating
them entirely. One piston on each wheel required more force than the
other before it moved. Then I forced the pistons back with a
C-clamp, and again one on each wheel was very difficult to move. I
moved them out and in one more time, replaced the pads, mounted the
wheels, went for a drive, and find that I now seem to have drag only
on one wheel. Should I just try the same procedure again, or do I
need to replace the pistons? I was thinking that the long "rest"
during the summer had resulted in the sticking and that I could just
work it out. What do you think?
Thanks,
Tim
1980 Spitfire
1974 TR6
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